4222561 has 8 divisors (see below), whose sum is σ = 4847744. Its totient is φ = 3602880.

The previous prime is 4222553. The next prime is 4222577. The reversal of 4222561 is 1652224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4222561 - 2³ = 4222553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4222591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (605968).

Almost surely, 2^4222561 is an apocalyptic number.

It is an amenable number.

4222561 is a deficient number, since it is larger than the sum of its proper divisors (625183).

4222561 is a wasteful number, since it uses less digits than its factorization.

4222561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its digits is 960, while the sum is 22.

The square root of 4222561 is about 2054.8871015216. The cubic root of 4222561 is about 161.6312422236.

Adding to 4222561 its reverse (1652224), we get a palindrome (5874785).

The spelling of 4222561 in words is "four million, two hundred twenty-two thousand, five hundred sixty-one".